This adds support for the am43xx SoC and the AM437x GP EVM and AM438x ePOS EVM. Change-Id: I09cbb09072f38e0e08fdd520dedb6e67d45056be Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tom Rini <trini@ti.com> Reviewed-on: http://openocd.zylin.com/2047 Tested-by: jenkins Reviewed-by: Paul Fertser <fercerpav@gmail.com>